/*
 * Copyright (C) 2011 Daniel Himmelein
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mindroid/util/concurrent/Semaphore.h"

namespace mindroid {

Semaphore::Semaphore(uint32_t value) {
    mSemaphore.semaphore = mSemaphoreData;
    mSemaphoreId = osSemaphoreCreate(&mSemaphore, value);
}

Semaphore::~Semaphore() {
    osSemaphoreDelete(mSemaphoreId);
}

void Semaphore::signal() {
    osSemaphoreRelease(mSemaphoreId);
}

bool Semaphore::wait() {
    return (osSemaphoreWait(mSemaphoreId, osWaitForever) != -1);
}

bool Semaphore::wait(uint32_t timeout) {
    return (osSemaphoreWait(mSemaphoreId, timeout) != -1);
}

} /* namespace mindroid */
